Describe the purpose of the having clause

Assignment Help Basic Computer Science

Reference no: EM131269980

1. Describe the purpose of the GROUP BY clause. Why must the attribute in the GROUP BY clause also appear in the SELECT clause?

2. Describe the purpose of the HAVING clause. How do you decide whether to place a row-limiting predicate in the WHERE clause or in the HAVING clause?

Reference no: EM131269980

Questions Cloud

Define at least two different cultures must be investigated : Use the University Library or other resources to locate three articles relating to culture and marriage/intimacy/family/parenting, in other words social behavior. Write one abstract for each article - If you are unsure of what an Abstract is do lo..

Find the gini index of income concentration for lorenz curve : Interpret the results of Problem with both a graph and a description of the graph.- Find the Gini index of income concentration for the Lorenz curve with equation.

Does this create any problems with the data : Do any fields have to be added to one or the other of the two files to record the relationship between doctors and patients? Explain.

Will the company continue to manufacture the computer : If monthly sales now (t = 0) are 2,000 computers, find S(t). How long, to the nearest month, will the company continue to manufacture the computer?

Describe the purpose of the having clause : Describe the purpose of the HAVING clause. How do you decide whether to place a row-limiting predicate in the WHERE clause or in the HAVING clause?

What is the purpose of the distinct operator : Explain the difference between the SUM and COUNT built-in functions.

The rate of change of the monthly sales : The rate of change of the monthly sales of a new basketball game is given.- Find S(t). When, to the nearest month, will monthly sales reach 15,000 games?

What is the purpose of the sql select command : How does the SQL SELECT command relate to the relational Select, Project, and Join concepts?

President of the south african clothing : Suppose you are the President of the South African Clothing and Textile Workers Union in South Africa and you have been requested by various clothing manufacturers to prepare a case for the introduction of new barriers to international trade in th..

User Account

All Pages